Molag Bal, Lord of Lies

Menace
When Molag Bal attacks, Target player mills 4 cards then exile a creature card from target graveyard under Molag Bal.
Molag Bal has +X/+X where X is the total amount of power exiled under Molag Bal.
If X is ten or more, Molag Bal gets trample
and indestructible.